Ocean current worksheet temperature affects and surface currents. Read the information below temperature affects and surface currents. Ocean currents and sea surface temperature noaa climate. Ther e are also ocean currents deep below the surfacethese are often called under currents. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Currents overview lesson 8 presents the mechanisms that drive surface and deep ocean currents. Researchers have long used such techniques to learn about currents and tides. Students should be taking no tes as they watch the video.
Activity salinity and deep ocean currents activity temperature and deep ocean currents. What are the three main factors driving ocean currents. Effect of ocean currents on climate, identifying ocean currents from map esrt p4, prevailing winds and ocean. In the gui you can specify the name of the pdf file that you want to merge with. Ocean currents are the continuous flow of huge amount of water in a definite direction while the waves are the horizontal motion of water. Create and merge pdfs with pdfcreator and let pdf architect help you edit pdfs, insert images to pdfs, extract text from images and more. Combine or merge files into a single pdf, adobe acrobat dc. Explain to students that this is a depiction of ocean currents called the ocean conveyor belt. Additionally, if you would like all of the resources together in a pdf document, that can be accessed as a complete resource here. Equatorial current running west to east, north of the equator. Convection occurs because the oceanic waters heat up becoming less dense. Usually warm water has a higher salinity, but it remains less dense than cold water, so cold water is heavier and flows under warm water.
Climate kids corner activity page directions information hint answer ocean currents this little clownfish, was caught in the great barrier reef, northeast of australia. This lesson will discuss surface ocean currents, deep water ocean currents, and the forces that drive them. Jinyi yu equatorial current system the equatorial counter current, which flows towards the east, is a partial return of water carried westward by the north and south equatorial currents. Examine ocean salinity and temperature patterns and their. Point out that ocean currents are driven by the wind and influenced by the landmasses that obstruct the flow of water as well as the density and temperature of the water. A japanese fish found in washington after hitching a ride in a. Ocean currents this little clownfish, was caught in the great barrier reef, northeast of australia. It shows that the wind causes the currents to move in different directions 2.
Go with the flow note there are two major types of ocean currents. Ocean currents stem activity little bins for little hands. Set point for heating control, temperature, humidity, user activity. Dont forget to use a red colored pencil for the warm currents and a blue colored pencil for the cold currents. Cool, more dense water from the poles moves in deep ocean currents toward the equator and a convective movement is created. The currents of this one big ocean carry people, animals, and debris around the globe. Teacher activity student activity introduction divide the class into groups of two or three. Ocean currents get ready to add this simple ocean currents activity to your ocean lesson plans this season. The function of this quizworksheet is gauge your knowledge of ocean currents. Where winds blow in the same direction for a long period of time, currents will develop that transport large masses of. Ocean currents and mixing by winds and waves can transport and redistribute heat to deeper ocean layers. Effect of ocean currents on climate, identifying ocean currents from map esrt p4, prevailing winds and ocean currents, movement of fukushima radiation by ocean. The process of global ocean circulation is presented, emphasizing the importance of this process for climate regulation.
What is a rectilinear tidal current, and where are they usually found. Dynamics of ocean currents 433 system is moving through space at an unknown speed. Ocean currents 433 system is moving through space at an unknown speed. Unit 2 ocean currents in this unit, you will investigate the forces that drive surface currents in the worlds oceans. The quiz covers vocabulary terms such as the coriolis effect, continental deflection and thermohaline circulation. Other factors then come into play and direct the flow of surface. This worksheet has 23 earth science regents questions about ocean currents. These same currents are represented by numbered arrows on the map at the end of the lesson. Ocean currents are continuous moving water in the oceans that are crucial to the world due to their functions. In the northern indian ocean, spcas occurred continuously. Another western boundary region of high eddy activity is located between africa and madagascar, caused by the mozambique eddies. Pacific, the western boundary current is the oyashio, which flows cold water equatorward on the western side of the ocean.
Drive the currents that form the north equatorial current. The lesson plan itself has been set up to reflect a learning cycle approach to instruction. Finally, students may need their earth science reference tables esrt for parts of the lesson a document used widely in the new york state earth science regents course as. This unit introduces students to forces that force ocean currents, and allows students to explore what thermohaline and winddriven currents in the ocean look like and why. The warm currents on the west, cold currents on the east is thus an oversimplification. In addition, there are locations where the topography creates significant flows, such as the chacao channel in southern chile. In the following activity, you will have the chance to observe how water moves as wind blows across it. Ocean current worksheet temperature affects and surface. Jinyi yu equatorial under current the most prominent of all eastward flows is the equatorial undercurrent. Pdf relationships between solar activity and variations in sst.
Knows that the sun is the principle energy source for phenomena on earths surface e. Display the ocean conveyor belt cartoon from the resource carousel. This eep is used for sending the latest relay status including current. Surface currents are those found in the upper 400 meters 1,300 feet of the ocean and make up about 10% of all the water in the ocean. Western boundary currents are warm, deep, narrow, and fast flowing currents that form on the west side of ocean basins due to western intensification. Surface currents are mostly caused by the w ind because it creates friction as it moves over the water. Have students begin watching ocean currents internet video lesson, 10 minutes. Surface currents are found in the upper 1,300 feet of the ocean. Based on your observations, how do you think the wind causes surface ocean. An overview of ocean currents and how they circulate. The teacher will demonstrate how warm water and cold water move to cause convection currents.
Currents is a quarterly report on developer cloud trends that we created to share our knowledge with the broader community. The deep waters of the oceans come from the surface water cooled in the polar region. Fill a tin pie plate to the inner rim with cold tap water. Ocean currents flow for great distances, and together, create the global conveyor belt which plays a dominant role in determining the climate of many of the earths regions. A collection of curricula for the starlab ocean currents cylinder.
Surface currents are mostly caused by the wind because it creates friction as it moves over the water. Dynamics of ocean currents california digital library. No means are available fox determining absolute motion, but this is of no concern, because theobserved largescale motion of the atmosphere and the sea can be adequately described by. The ocean conveyor belt is caused by differences in water temperature and salinity. Place a drop of food coloring at one end of the tray and gently blow across the tray.
This friction then forces the water to move in a spiral pattern, creating gyres. How are tidal currents different from other types of currents. In this water currents instructional activity, students practice identifying latitude and longitude coordinates on a map and define the currents of major oceans. Ocean currents transport important quantities, such as nutrients, heat and pollutants around the world, often with direct consequence to humans. Ocean currents news, research and analysis the conversation.
Replaced by the current page number in the input document. Learning about the ocean currents is made tangible for preschoolers and elementary kids with this easy ocean currents activity. As with all sessions, the presentation to participants has been designed to practice what we preach. Winds are able to move the top 400 meters of the ocean creating surface ocean currents. What are the different ocean currents that carry warm water give at least three examples. Where winds blow in the same direction for a long period of time, currents will develop that transport large masses of water over considerable distances across ocean surfaces.
Also known as thermohaline circulation, the conveyor belt is a. Most ocean currents are caused by wind pushing the water along. Warm currents have higher temperatures, so they are less dense than cold water. Correlate current direction and speed with global winds. More specifically, ocean currents influence the temperature of the regions through which they travel. The water is warmed on the surface, so warm currents flow across the surface of the ocean. A japanese fish found in washington after hitching a ride in a boat sent across the pacific ocean by the 2011 tsunami. A collection of curricula for the starlab ocean currents. What is the difference between spring, neap, perigean, and apogean currents. Tracking marine debris is one way to learn more about currents and their impact. This warm, low pressure water rises toward the poles in surface currents as the earth tries to move the heat around and balance things out.
Currents normally move in a specific direction and aid significantly in the circulation of the earths moisture, the resultant weather, and water pollution. Mapping ocean currents national geographic society. Water moves ahead from one place to another through ocean currents while the water in the waves does not move, but the wave trains. Jul 21, 2019 ocean currents are the vertical or horizontal movement of both surface and deep water throughout the worlds oceans. Ocean currents ocean water moves on and below the surface in streams known as currents. Currents are responsible for circulating water throughout the earths oceans. If the water represents the ocean, and your blowing through the straw represents the wind, what does this model show about the effect of wind on the surface of the ocean. The details of all publications are in the researchgate in full text pdf forms.
For the fourth edition, we surveyed nearly 5,000 respondents from around the world about themselves, the tools they use and the challenges they face. In the activity, students play a game focused on the primary surface current names and locations. Ask the students to write a hypothesis that explains the cause of these surface currents. Upon completion of video, students should begin to answer questions provided on the ocean currents worksheet. Display the maps of winddriven ocean currents and sea surface temperature figs. Ocean currents are regular movements of water in one direction in the ocean.
Globally, significant ocean current streams are largely concentrated on the eastern coasts of continents because of the earths rotation, and, especially in the more northerly and southerly latitudes, because of lunar gravitational pull. Terms in this set 20 which directions do all currents flow in the northern hemisphere. No means are available fox determining absolute motion, but this is of no concern, because theobserved largescale motion of the atmosphere and the sea can be adequately described by means of the simple equations if the. Label each of the currents on the map by writing the name next to the arrow. He has just escaped and jumped into the atlantic ocean. Surface waters of the earths oceans are forced to move, primarily by winds. Not only do they affect the overall functioning of every ocean, they also affect human activities. If students will not have access to the internet, makes enough copies of the currents tutorial for each student or. Locate and map the ocean gyres and major ocean currents around canada examine and graph how currents affect climate. Marine biology and oceanography, grades seven and eight. Cylinder guides ocean currents d6 activity worksheet 1. As you drag, a blue bar moves between pages or documents to indicate the current position. The ocean in motion circulation in this program, students will learn about the driving forces responsible for ocean circulation. The geography of ocean currents national geographic society.
Have the students note the difference between warm and cold currents. You can also specify if you want the current print job appended at the top or the. Identify major ocean gyres and their physical properties temperature, speed, and direction. Notes ocean currents free download as powerpoint presentation. We will show a video clip showing sea level height and describe its connection to ocean circulation. Although there are labels that separate names of different regions, the earth ultimately has just one large, interconnected ocean. All ocean currents are caused by either wind patterns or by differences in water densities. It would be much clearer if the pressures and geotrophic flow were used to explain the gyres. Shade in the arrows that represent the cold water currents in one color and the warmwater currents in another color. We love simple handson ocean science activities here. Ocean currents result from two processes the action of the wind on the surface of the water, and from variation in water temperature that causes movement a process known as convection. What causes ocean currents and how do we measure them. In the nothern hemisphere, all curents curve to the right in a clockwise direction, in the.
485 973 464 110 299 1261 1345 1371 583 36 1353 323 1155 1111 501 1287 1308 767 1117 1123 930 1453 1379 1297 213 182 1621 593 184 1169 601 393 760 22 1070 1117 53 662